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Posted to common-issues@hadoop.apache.org by "Eugene Koontz (Updated) (JIRA)" <ji...@apache.org> on 2012/03/13 19:40:39 UTC
[jira] [Updated] (HADOOP-8168) empty-string owners or groups causes
{{MissingFormatWidthException}} in o.a.h.fs.shell.Ls.ProcessPath()
[ https://issues.apache.org/jira/browse/HADOOP-8168?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eugene Koontz updated HADOOP-8168:
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Summary: empty-string owners or groups causes {{MissingFormatWidthException}} in o.a.h.fs.shell.Ls.ProcessPath() (was: empty-string owners or groups causes {{MissingFormatWidthExeption}} in o.a.h.fs.shell.Ls.ProcessPath())
> empty-string owners or groups causes {{MissingFormatWidthException}} in o.a.h.fs.shell.Ls.ProcessPath()
> -------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-8168
> URL: https://issues.apache.org/jira/browse/HADOOP-8168
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Affects Versions: 0.24.0, 0.23.1
> Reporter: Eugene Koontz
>
> In {{adjustColumnWidths()}}, we set the member variable {{lineFormat}}, which is used by {{ProcessPath()}} to print directory entries. Owners and groups are formatted using the formatting conversion {{%-Xs}}, where X is the max length of the owner or group. However, when trying this with an S3 URL, I found that the owner and group were empty (""). This caused X to be 0, which means that the formatting conversion is set to {{%-0s}}. This caused a {{MissingFormatWidthException}} to be thrown when the formatting string was used in {{ProcessPath()}}.
> Formatting conversions are described here:
> http://docs.oracle.com/javase/1.5.0/docs/api/java/util/Formatter.html#intFlags
> The specific exception thrown (a subtype of {{IllegalFormatException}}) is described here:
> http://docs.oracle.com/javase/1.5.0/docs/api/java/util/MissingFormatWidthException.html
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